We look too much into struct cdev's guts. Let's add helpers to make
operating on block device cdevs more concise.
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
include/block.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/include/block.h b/include/block.h
index 4dd2aa1f80ef..da258f509b41 100644
--- a/include/block.h
+++ b/include/block.h
@@ -58,4 +58,19 @@ static inline struct block_device *cdev_get_block_device(const struct cdev *cdev
}
#endif
+static inline bool cdev_is_block_device(const struct cdev *cdev)
+{
+ return cdev_get_block_device(cdev) != NULL;
+}
+
+static inline bool cdev_is_block_partition(const struct cdev *cdev)
+{
+ return cdev_is_block_device(cdev) && cdev_is_partition(cdev);
+}
+
+static inline bool cdev_is_block_disk(const struct cdev *cdev)
+{
+ return cdev_is_block_device(cdev) && !cdev_is_partition(cdev);
+}
+
#endif /* __BLOCK_H */
--
2.39.2
